| 东濮凹陷马厂构造深层混源气藏气源探讨 |
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| 引用本文： | 贾存善,饶丹.东濮凹陷马厂构造深层混源气藏气源探讨[J].油气地质与采收率,2007,14(1):32-35,39. |
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| 作者姓名： | 贾存善 饶丹 |
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| 作者单位： | 1. 中国矿业大学,资源与安全工程学院,北京,100083;中国石化石油勘探开发研究院,无锡石油地质研究所,江苏,无锡,214151
2. 中国石化石油勘探开发研究院,无锡石油地质研究所,江苏,无锡,214151 |
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| 基金项目： | 中国石油化工股份有限公司资助项目 |
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| 摘 要： | 根据东濮凹陷马厂深层气藏天然气常规组成、C1-C5单体气态烃碳同位素组成以及轻烃色谱指纹3方面微观信息的分析，并与文留气田文23井典型石炭系-二叠系煤成气以及白庙、刘庄、桥口煤成气-油型气混合天然气进行气／气对比，揭示了马厂深部气藏沙三段-沙四段天然气以煤成气为主，渗混入少量Es3-Es4油型气的混源特征，证实了东濮凹陷南部石炭系-二叠系煤系烃源岩具有一定煤成气供烃能力。
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| 关 键 词： | 混源气 煤成气 轻烃 马厂气藏 东濮凹陷 |
| 文章编号： | 1009-9603（2007）01-0032-04 |
| 收稿时间： | 2006-10-08 |
| 修稿时间： | 2006-12-19 |
Discussion on origin of deep mixed natural gas reservoirs of Machang structure,Dongpu Depression |
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| Jia Cunshan,Rao Dan.Discussion on origin of deep mixed natural gas reservoirs of Machang structure,Dongpu Depression[J].Petroleum Geology and Recovery Efficiency,2007,14(1):32-35,39. |
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| Authors: | Jia Cunshan Rao Dan |
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| Abstract: | Common components of natural gas,carbon isotope of nC1 - nC5 monomer gaseous hydrocarbon and fingerprints of light hydrocarbon chromatogram in Machang deep gas reservoir of Dongpu Depression are analyzed. Gas correlation is carried out among typical coal-formed gas of Wen 23 well in Wenliu Gasfield in Carboniferous-Permian, and mixed gas of coal-formed gas and oil-type gas in Baimiao,Liuzhuang and Qiaokou Casfield,and deep Machang natural gas. The natural gas of the 3rd - 4th member of Shahejie Formation in deep Machang gas reservoir is mainly coal-formed gas and mixed into a little Es3-Es4 oil-type gas. It proves that Carboniferous-Permian coal measures source rocks have certain capability of hydrocarbon supply of coal-formed gas in the south of Dongpu Depression. |
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| Keywords: | multiorigin gas coal-formed gas light hydrocarbon Machang gas reservoir Dongpu Depression |
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